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- <parse> was spewing output in answer mode
# The LearningOnline Network with CAPA # <script> definiton # # $Id: scripttag.pm,v 1.134 2005/12/15 19:00:36 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # package Apache::scripttag; use strict; use Apache::lonnet; use Apache::style; #Globals # this used to pass around the standard callsub arguments to a tag func # so xmlparse can reenter the inner_xmlparse loop. @Apache::scripttag::parser_env = (); BEGIN { &Apache::lonxml::register('Apache::scripttag', ('script','scriptlib','parserlib','import', 'window','display','storetc','physnet', 'standalone','comment','num','parse','algebra', 'LONCAPA_INTERNAL_TURN_STYLE_ON', 'LONCAPA_INTERNAL_TURN_STYLE_OFF', 'LONCAPA_INTERNAL_LONHTTPD_PORT')); } sub start_LONCAPA_INTERNAL_TURN_STYLE_ON { $Apache::lonxml::usestyle=1; $Apache::lonxml::style_values=''; return ('','no'); } sub end_LONCAPA_INTERNAL_TURN_STYLE_ON { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval); if (defined($end)) { &Apache::lonxml::end_tag($tagstack,$parstack,$token); } return ('','no'); } sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; $Apache::lonxml::usestyle=0; my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval); if (!$end) { $Apache::lonxml::style_values=$$parstack[-1]; $Apache::lonxml::style_end_values=$$parstack[-1]; } else { $Apache::lonxml::style_values=$Apache::lonxml::style_end_values; $Apache::lonxml::style_end_values=''; } return ('','no'); } sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF { return ('','no'); } sub start_LONCAPA_INTERNAL_LONHTTPD_PORT { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; if ($target eq 'web') { my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } return '<script type="text/javascript">var lonhttpdport=\''. $lonhttpdPort.'\';</script>'; } return ('','no'); } sub end_LONCAPA_INTERNAL_LONHTTPD_PORT { return ('','no'); } sub start_script { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; @Apache::scripttag::parser_env = @_; my $result=''; my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval); &Apache::lonxml::debug("found type of $type"); if ($type eq "loncapa/perl") { if ( $target eq "modified" ) { $result=$token->[4].&Apache::edit::modifiedfield('/script',$parser); } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'webgrade' || $target eq 'answer' || $target eq 'analyze' ) { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } &Apache::run::run($bodytext,$safeeval); if (($target eq 'answer') && ($env{'form.answer_output_mode'} ne 'tex') && ($Apache::lonhomework::viewgrades == 'F')) { $Apache::lonxml::evaluate--; my (undef,undef,$udom,$uname)=&Apache::lonxml::whichuser(); my $windowopen=&Apache::lonhtmlcommon::javascript_docopen(); $result.="<script type=\"text/javascript\"> // <![CDATA[ function LONCAPA_scriptvars_".$uname."_".$udom."_"."$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('<html><head><title>Script Vars</title></head><body bgcolor=\"#FFFFFF\"><pre>"; my $listing=&Apache::run::dump($target,$safeeval); $listing=~s/\\/\\\\/g; $listing=~s/\'/\\\'/g; $result.=$listing; $result.= "</pre></body></html>');newWindow.document.close();newWindow.focus()} // ]]> </script><a href=\"javascript:LONCAPA_scriptvars_".$uname."_".$udom."_$Apache::lonxml::curdepth();void(0);\">Script Vars</a><br />"; } } elsif ($target eq "edit" ) { #&Apache::run::run($bodytext,$safeeval); #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />"; my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); $result=&Apache::edit::tag_start($target,$token,'Script'); $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4); } elsif ($target eq 'meta') { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); } } else { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); if ($target ne "meta" && $target ne 'tex') { $result = $token->[4]; $result.=$bodytext; } } return $result; } sub end_script { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; if ( $target eq "meta" ) { return ''; } my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval); my $result=''; #other script blocks need to survive if ($type ne "loncapa/perl" && $target ne 'tex') { return $token->[2]; } elsif ($target eq 'edit' ) { return &Apache::edit::end_table(); } elsif ($target eq 'answer') { $Apache::lonxml::evaluate++; } return ''; } sub start_display { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; @Apache::scripttag::parser_env = @_; my $result; if ( $target eq "modified" ) { $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser); } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'webgrade' || $target eq 'answer' || $target eq 'analyze') { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } $result=&Apache::run::run($bodytext,$safeeval); if ($target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { # grade/answer/analyxe should produce no output but if we # are redirecting, the redirecter should know what to do # with the output if (!$Apache::lonxml::redirection) { $result=''; } } $Apache::lonxml::post_evaluate=0; } elsif ($target eq "edit" ) { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); #$result = # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />"; #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1); $result=&Apache::edit::tag_start($target,$token,'Script With Display'); $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1) } elsif ($target eq 'meta') { my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); } return $result; } sub end_display { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; if ($target eq 'edit' ) { return &Apache::edit::end_table(); } return ''; } sub start_scriptlib { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $bodytext; my $result =''; my $error=''; if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') { $bodytext=$$parser[$#$parser]->get_text("/scriptlib"); $bodytext=&Apache::run::evaluate($bodytext,$safeeval, $$parstack[$#$parstack]); my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'], $bodytext); my $script=&Apache::lonnet::getfile($location); if ($script == -1) { if ($target eq 'edit') { $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n"; } else { &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>"); return ""; } } &Apache::run::run($script,$safeeval); #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />"); } if ($target eq "edit" ) { $result= &Apache::edit::tag_start($target,$token,'New Script Functions'). &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40). &Apache::edit::browse(undef,'textnode'). $error.'</td></tr>'. &Apache::edit::end_table(); } if ($target eq "modified" ) { $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser); } return $result; } sub end_scriptlib { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my @result; if ($target eq "edit" ) { $result[1]='no'; } return @result; } sub start_parserlib { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $bodytext; my $result =""; my $error=''; if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') { $bodytext=$$parser[$#$parser]->get_text("/parserlib"); $bodytext=&Apache::run::evaluate($bodytext,$safeeval, $$parstack[$#$parstack]); my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'], $bodytext); my $styletext=&Apache::lonnet::getfile($location); #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:"); if ($styletext == -1) { if ($target eq 'edit') { $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n"; } else { &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>"); return ""; } } %$style = ( %$style , &Apache::style::styleparser($target,$styletext)); } if ($target eq "edit" ) { $result= &Apache::edit::tag_start($target,$token,'New Tag Definitions'). &Apache::edit::editline($token->[1],$bodytext,'',40). $error.'</td></tr>'. &Apache::edit::end_table(); } if ($target eq "modified" ) { $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser); } return $result; } sub end_parserlib { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my @result; if ($target eq "edit" ) { $result[1]='no'; } return @result; } sub start_window { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result = ''; if ($target eq 'web') { &Apache::lonxml::startredirection; } elsif ($target eq 'tex') { $result = '\unskip\footnote{'; } elsif ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70); $result.=&Apache::edit::text_arg('Height:','height',$token,5); $result.=&Apache::edit::text_arg('Width:','width',$token,5); $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'linktext', 'width','height'); if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } } return $result; } sub end_window { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'web') { my $output=&Apache::lonxml::endredirection; $output =~ s/[\n\r]/ /g; # $output = &HTML::Entities::encode($output,'<>&"\''); $output =~ s/\'/\\\'/g; my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval); if (!$linktext) { $linktext='<sup>*</sup>'; } my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval); if (!$width) { $width='500'; } my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval); if (!$height) { $height='200'; } $result = "<script type=\"text/javascript\"> function LONCAPA_newwindow_$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=$width,height=$height,scrollbars=1');newWindow.document.open('text/html','replace');newWindow.document.writeln('<html><head><title>newwindow</title></head><body bgcolor=\"#FFFFFF\"> $output </body></html>');newWindow.document.close();}</script><a href=\"javascript:LONCAPA_newwindow_$Apache::lonxml::curdepth();void(0);\">$linktext</a>"; } elsif ($target eq 'tex') { $result = '}'; } else { $result = ''; } return $result; } sub start_import { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $bodytext=$$parser[$#$parser]->get_text("/import"); my $result =""; $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]); if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) { # FIXME this probably needs to be smart about construction vs. # non construction space. my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); my $file=&Apache::lonnet::getfile($location); if ($file == -1) { &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>"); return ""; } my $dir=$location; $dir=~s:/[^/]*$::; # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n"); my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); if (!$id) { $id=$Apache::lonxml::curdepth; } push(@Apache::inputtags::import,$id); push(@Apache::inputtags::importlist,$id); &Apache::lonxml::newparser($parser,\$file,$dir); } elsif ($target eq "edit" ) { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::editline($token->[1],$bodytext,'',40); $result.=&Apache::edit::browse(undef,'textnode'); #FIXME this need to convert $bodytext to be a contruction space reference #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); #$result.="Click<a href=\"$location\">here</a> to edit<br />" } elsif ($target eq 'modified') { $result=$token->[4].&Apache::edit::modifiedfield("/import",$parser); } elsif ($target eq 'meta') { my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); $result.='<import part="'.$Apache::inputtags::part; if ($id) { $result.='" id="'.$id; } $result.='">'; $result.=$bodytext; $result.='</import>'; } return $result; } sub end_import { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; pop(@Apache::inputtags::import); my $result; if ($target eq 'edit' ) { $result=&Apache::edit::end_row. &Apache::edit::end_table(); } return $result; } sub start_storetc { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result = ''; &Apache::lonxml::startredirection; return $result; } sub end_storetc { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $output=&Apache::lonxml::endredirection; $output =~ s/\"/\"\;/g; $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}'; return $result; } sub start_physnet { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $bodytext = '/adm/includes/physnet.sty'; my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); my $cbistyletext=&Apache::lonnet::getfile($location); %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext)); $$parser['-1']->unget_token($token); # if ( defined($$style{'physnet'}) ) { # &Apache::lonxml::newparser($parser,\$$style{'physnet'}); # } return ""; } sub end_physnet { return ''; } sub start_standalone { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; if ($target eq 'web' ) { if ( $env{'request.course.id'} ) { my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style); } else { $result='<table bgcolor="#E1E1E1" border="2"><tr><td>'; } } return $result; } sub end_standalone { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; if ($target eq 'web' ) { if ( $env{'request.course.id'} ) { } else { $result='</td></tr></table>'; } } return $result; } sub start_comment { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; if ($target eq 'edit') { $result=&Apache::edit::tag_start($target,$token); my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style); $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4) } elsif ( $target eq 'modified') { $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser); } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') { #normally throw away comments my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style); } return $result; } sub end_comment { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; if ($target eq 'edit' ) { return &Apache::edit::end_table(); } return ''; } sub xmlparse { my ($string) = @_; &Apache::lonxml::debug("xmlparse recursion starting with $string"); # Apache::run::evaluate does an 'eval' on the name of the subroutine # if it detects something that looks like a subroutine, this ends up calling # things without any arguments and since perl is nice enough to pass # along the default arguments when you don't explicitly say no arguments # if you call &xmlparse, it gets &xmlparse passed as it argument. # Same thing soccurs with &chemparse. if ($string eq '&xmlparse') { return '&xmlparse'; } if ($string eq '&chemparse') { return '&chemparse'; } my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)= @Apache::scripttag::parser_env; my @parser; &Apache::lonxml::newparser(\@parser,\$string); &Apache::lonxml::startredirection(); my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack, $parstack,\@parser, $safeeval,$style); $result.=&Apache::lonxml::endredirection(); &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result"); return $result; } sub start_num { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser); if ($target eq 'tex' || $target eq 'web') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } @Apache::scripttag::parser_env = @_; my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval); $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval); } return $result; } sub end_num { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; return $result; } sub start_parse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; if ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser); $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); if (!$Apache::lonxml::default_homework_loaded) { &Apache::lonxml::default_homework_load($safeeval); } @Apache::scripttag::parser_env = @_; $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval); if ($target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { # grade/answer/analyxe should produce no output but if we # are redirecting, the redirecter should know what to do # with the output if (!$Apache::lonxml::redirection) { $result=''; } } } return $result; } sub end_parse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; return $result; } sub start_algebra { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; if ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser); $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval); $result=&Apache::lontexconvert::algebra($inside,$target,$style); } $Apache::lonxml::post_evaluate=0; } return $result; } sub end_algebra { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result = ''; return $result; } 1; __END__